The practice or theory of using binomial systems, particularly in classification or naming things with two parts.
From binomial (bi- 'two' + Latin nomen 'name') + -ism (doctrine or practice). The suffix -ism denotes a system or practice, making this a noun describing the use of two-part naming systems.
This word captures the philosophical approach behind Linnaeus's binomial nomenclature system—the revolutionary idea that everything in nature could be named using exactly two parts (genus and species), which completely transformed how scientists organized the living world.
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